[ Vocabulary & Grammar ]
. Which of the following describes “air pollution”?
A. Clear and fresh air
B. Harmful substances in the atmosphere
C. A type of weather phenomenon
D. A method of farming
Select your answer:

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Present Perfect and Present Perfect ContinuousTenses - Passive VoiceFew, a few, little, a littlePresent, Past and Future TenseConjunctions and Sequence ConnectorsReporting VerbsMust / must notConjunction: Because and SoAdverbial Clause of ConcessionAdjective ClausesOther quiz:
Grammar › ViewI … to the cinema yesterday.
A. go
B. went
C. gone
D. have gone
Phrasal Verb › View
show in a public place
A. put out
B. put through
C. put up
D. be put out
